TM 11-6625-3041-12/TO 33A1-8-908-1
Section V
MAINTENANCE PROCEDURES
Test procedures for the Digital Data Generator SG-1139/G and all of its
Troubleshooting Procedure.
Only the lamps for the POWER indicator and POWER SUPPLY and FAULT Alarm
indicators are replaceable at Organizational level.
None.
Tools
q
Required
Turn lens assembly
Removal
q
counterclockwise
and remove.
Pry lamp loose
q
from lens assembly
and remove.
Press new lamp
Replacement
q
into lens assembly
(A7DS1 for POWER,
A7DS2 for POWER
SUPPLY, A7DS3 for
FAULT).
Reinstall lens
q
assembly and turn
clockwise to
secure.